./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44f1ef45a377efa065428e9ab52d4697ba35b901 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:18,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:18,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:18,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:18,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:18,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:18,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:18,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:18,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:18,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:18,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:18,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:18,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:18,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:18,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:18,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:18,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:18,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:18,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:18,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:18,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:18,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:18,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:18,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:18,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:18,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:18,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:18,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:18,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:18,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:18,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:18,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:18,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:18,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:18,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:18,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:18,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:18,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:18,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:18,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:18,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:18,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:18,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:18,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:18,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:18,569 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:18,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:18,570 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:18,570 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:18,570 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:18,570 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:18,570 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:18,571 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:18,571 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:18,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:18,572 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:18,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:18,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:18,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:18,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:18,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:18,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:18,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:18,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:18,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:18,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:18,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:18,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:18,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:18,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:18,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:18,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:18,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:18,574 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:18,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:18,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:18,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:18,575 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2019-10-22 11:23:18,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:18,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:18,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:18,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:18,623 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:18,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-10-22 11:23:18,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/data/5d0baca6d/4a2b3f755f4d40c8bd0f999d1290b11d/FLAGad0e789d0 [2019-10-22 11:23:19,056 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:19,057 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-10-22 11:23:19,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/data/5d0baca6d/4a2b3f755f4d40c8bd0f999d1290b11d/FLAGad0e789d0 [2019-10-22 11:23:19,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/data/5d0baca6d/4a2b3f755f4d40c8bd0f999d1290b11d [2019-10-22 11:23:19,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:19,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:19,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:19,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:19,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:19,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be7fc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19, skipping insertion in model container [2019-10-22 11:23:19,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,094 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:19,129 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:19,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:19,430 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:19,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:19,548 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:19,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19 WrapperNode [2019-10-22 11:23:19,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:19,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:19,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:19,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:19,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:19,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:19,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:19,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:19,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:19,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:19,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:19,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:19,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:20,354 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:20,354 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-10-22 11:23:20,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:20 BoogieIcfgContainer [2019-10-22 11:23:20,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:20,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:20,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:20,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:20,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:19" (1/3) ... [2019-10-22 11:23:20,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db3acec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:20, skipping insertion in model container [2019-10-22 11:23:20,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (2/3) ... [2019-10-22 11:23:20,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db3acec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:20, skipping insertion in model container [2019-10-22 11:23:20,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:20" (3/3) ... [2019-10-22 11:23:20,362 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2019-10-22 11:23:20,371 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:20,378 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:20,390 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:20,410 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:20,410 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:20,410 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:20,411 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:20,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:20,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:20,412 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:20,412 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-10-22 11:23:20,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:23:20,432 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,433 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:20,435 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:20,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,440 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-10-22 11:23:20,448 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,448 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673027379] [2019-10-22 11:23:20,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:20,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673027379] [2019-10-22 11:23:20,656 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:20,657 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:20,657 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476774074] [2019-10-22 11:23:20,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:20,662 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:20,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:20,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:20,676 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-10-22 11:23:20,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:20,703 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-10-22 11:23:20,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:20,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:23:20,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:20,715 INFO L225 Difference]: With dead ends: 132 [2019-10-22 11:23:20,715 INFO L226 Difference]: Without dead ends: 65 [2019-10-22 11:23:20,718 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:20,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-10-22 11:23:20,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-10-22 11:23:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 11:23:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-10-22 11:23:20,762 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-10-22 11:23:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:20,763 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 11:23:20,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-10-22 11:23:20,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:23:20,764 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,764 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:20,764 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:20,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-10-22 11:23:20,765 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,765 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970648481] [2019-10-22 11:23:20,765 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,765 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:20,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970648481] [2019-10-22 11:23:20,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:20,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:20,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464361319] [2019-10-22 11:23:20,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:20,870 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:20,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:20,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:20,870 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-10-22 11:23:20,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:20,881 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-10-22 11:23:20,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:20,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:23:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:20,882 INFO L225 Difference]: With dead ends: 65 [2019-10-22 11:23:20,882 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:23:20,883 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:20,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:23:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:23:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:23:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 11:23:20,887 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-10-22 11:23:20,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:20,887 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 11:23:20,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 11:23:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:23:20,888 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,888 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:20,888 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-10-22 11:23:20,889 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951304606] [2019-10-22 11:23:20,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:20,941 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951304606] [2019-10-22 11:23:20,941 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:20,941 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:20,942 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697360317] [2019-10-22 11:23:20,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:20,942 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:20,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:20,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:20,943 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-10-22 11:23:20,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:20,948 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-10-22 11:23:20,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:20,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:23:20,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:20,950 INFO L225 Difference]: With dead ends: 56 [2019-10-22 11:23:20,950 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:23:20,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:20,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:23:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:23:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:23:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-10-22 11:23:20,954 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-10-22 11:23:20,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:20,954 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-10-22 11:23:20,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-10-22 11:23:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:23:20,955 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,955 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:20,955 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:20,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,956 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-10-22 11:23:20,956 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,956 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747114945] [2019-10-22 11:23:20,956 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,956 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:21,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:21,029 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747114945] [2019-10-22 11:23:21,030 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:21,030 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:21,030 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717351884] [2019-10-22 11:23:21,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:21,030 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:21,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:21,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:21,031 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 6 states. [2019-10-22 11:23:21,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:21,250 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2019-10-22 11:23:21,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:23:21,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-10-22 11:23:21,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:21,252 INFO L225 Difference]: With dead ends: 178 [2019-10-22 11:23:21,252 INFO L226 Difference]: Without dead ends: 153 [2019-10-22 11:23:21,252 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:23:21,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-22 11:23:21,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 51. [2019-10-22 11:23:21,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 11:23:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2019-10-22 11:23:21,262 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 23 [2019-10-22 11:23:21,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:21,262 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2019-10-22 11:23:21,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:21,262 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2019-10-22 11:23:21,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:21,263 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:21,263 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:21,263 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:21,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1803921405, now seen corresponding path program 1 times [2019-10-22 11:23:21,264 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:21,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393854065] [2019-10-22 11:23:21,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:21,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393854065] [2019-10-22 11:23:21,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:21,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:21,347 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833384611] [2019-10-22 11:23:21,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:21,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:21,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:21,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:21,348 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand 5 states. [2019-10-22 11:23:21,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:21,435 INFO L93 Difference]: Finished difference Result 144 states and 211 transitions. [2019-10-22 11:23:21,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:21,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:23:21,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:21,437 INFO L225 Difference]: With dead ends: 144 [2019-10-22 11:23:21,437 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:21,438 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:21,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:21,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:21,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:23:21,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:21,439 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:21,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:21,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:21,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:21,769 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 9 [2019-10-22 11:23:21,860 INFO L443 ceAbstractionStarter]: For program point L514-2(lines 514 520) no Hoare annotation was computed. [2019-10-22 11:23:21,860 INFO L443 ceAbstractionStarter]: For program point L514-4(lines 514 520) no Hoare annotation was computed. [2019-10-22 11:23:21,860 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-10-22 11:23:21,860 INFO L443 ceAbstractionStarter]: For program point L828-2(lines 639 645) no Hoare annotation was computed. [2019-10-22 11:23:21,861 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:23:21,861 INFO L443 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:23:21,861 INFO L443 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:23:21,861 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-10-22 11:23:21,861 INFO L439 ceAbstractionStarter]: At program point L812-1(lines 812 818) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,861 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-10-22 11:23:21,862 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:21,862 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 623) no Hoare annotation was computed. [2019-10-22 11:23:21,862 INFO L446 ceAbstractionStarter]: At program point L616-1(lines 616 623) the Hoare annotation is: true [2019-10-22 11:23:21,862 INFO L439 ceAbstractionStarter]: At program point L732(lines 725 735) the Hoare annotation is: false [2019-10-22 11:23:21,862 INFO L439 ceAbstractionStarter]: At program point L732-1(lines 725 735) the Hoare annotation is: false [2019-10-22 11:23:21,862 INFO L439 ceAbstractionStarter]: At program point L732-2(lines 725 735) the Hoare annotation is: false [2019-10-22 11:23:21,862 INFO L439 ceAbstractionStarter]: At program point L121(lines 116 124) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,863 INFO L439 ceAbstractionStarter]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-10-22 11:23:21,863 INFO L439 ceAbstractionStarter]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-10-22 11:23:21,863 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-10-22 11:23:21,863 INFO L439 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-10-22 11:23:21,865 INFO L439 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-10-22 11:23:21,865 INFO L439 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-10-22 11:23:21,865 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:21,865 INFO L443 ceAbstractionStarter]: For program point L802(lines 802 808) no Hoare annotation was computed. [2019-10-22 11:23:21,866 INFO L439 ceAbstractionStarter]: At program point L802-1(lines 802 808) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,866 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-10-22 11:23:21,866 INFO L439 ceAbstractionStarter]: At program point L869(lines 1 880) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:21,866 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 688) no Hoare annotation was computed. [2019-10-22 11:23:21,866 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2019-10-22 11:23:21,866 INFO L443 ceAbstractionStarter]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2019-10-22 11:23:21,866 INFO L439 ceAbstractionStarter]: At program point L589(lines 585 591) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:21,867 INFO L439 ceAbstractionStarter]: At program point L639(lines 638 657) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,867 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2019-10-22 11:23:21,867 INFO L439 ceAbstractionStarter]: At program point L639-2(lines 638 657) the Hoare annotation is: false [2019-10-22 11:23:21,867 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:21,867 INFO L439 ceAbstractionStarter]: At program point L639-3(lines 638 657) the Hoare annotation is: false [2019-10-22 11:23:21,867 INFO L439 ceAbstractionStarter]: At program point L540-2(lines 540 554) the Hoare annotation is: false [2019-10-22 11:23:21,867 INFO L439 ceAbstractionStarter]: At program point L838(lines 791 839) the Hoare annotation is: false [2019-10-22 11:23:21,867 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 11:23:21,868 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 833) no Hoare annotation was computed. [2019-10-22 11:23:21,868 INFO L446 ceAbstractionStarter]: At program point L625(lines 606 628) the Hoare annotation is: true [2019-10-22 11:23:21,868 INFO L439 ceAbstractionStarter]: At program point L741(lines 736 744) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,868 INFO L439 ceAbstractionStarter]: At program point L741-1(lines 736 744) the Hoare annotation is: false [2019-10-22 11:23:21,868 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2019-10-22 11:23:21,868 INFO L439 ceAbstractionStarter]: At program point L741-2(lines 736 744) the Hoare annotation is: false [2019-10-22 11:23:21,868 INFO L443 ceAbstractionStarter]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2019-10-22 11:23:21,869 INFO L443 ceAbstractionStarter]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2019-10-22 11:23:21,869 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-10-22 11:23:21,869 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 523) no Hoare annotation was computed. [2019-10-22 11:23:21,869 INFO L439 ceAbstractionStarter]: At program point L510-1(lines 1 880) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,869 INFO L443 ceAbstractionStarter]: For program point L510-2(lines 510 523) no Hoare annotation was computed. [2019-10-22 11:23:21,869 INFO L439 ceAbstractionStarter]: At program point L510-3(lines 1 880) the Hoare annotation is: false [2019-10-22 11:23:21,869 INFO L443 ceAbstractionStarter]: For program point L510-4(lines 510 523) no Hoare annotation was computed. [2019-10-22 11:23:21,869 INFO L439 ceAbstractionStarter]: At program point L510-5(lines 1 880) the Hoare annotation is: false [2019-10-22 11:23:21,870 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 548) no Hoare annotation was computed. [2019-10-22 11:23:21,870 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:21,870 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 639 645) no Hoare annotation was computed. [2019-10-22 11:23:21,870 INFO L443 ceAbstractionStarter]: For program point L793(lines 792 837) no Hoare annotation was computed. [2019-10-22 11:23:21,870 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 11:23:21,870 INFO L443 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-10-22 11:23:21,870 INFO L443 ceAbstractionStarter]: For program point L496-2(line 496) no Hoare annotation was computed. [2019-10-22 11:23:21,870 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-10-22 11:23:21,871 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2019-10-22 11:23:21,871 INFO L439 ceAbstractionStarter]: At program point L877(lines 872 880) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:21,871 INFO L439 ceAbstractionStarter]: At program point L646(lines 646 652) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:21,875 INFO L439 ceAbstractionStarter]: At program point L646-1(lines 646 652) the Hoare annotation is: false [2019-10-22 11:23:21,875 INFO L439 ceAbstractionStarter]: At program point L646-2(lines 646 652) the Hoare annotation is: false [2019-10-22 11:23:21,875 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2019-10-22 11:23:21,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:21 BoogieIcfgContainer [2019-10-22 11:23:21,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:21,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:21,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:21,897 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:21,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:20" (3/4) ... [2019-10-22 11:23:21,903 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:21,920 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:21,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:23:21,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:23:21,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:21,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:21,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:21,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:22,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e59fe0c-4f13-42cd-bff0-0a13bfb48ffd/bin/utaipan/witness.graphml [2019-10-22 11:23:22,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:22,007 INFO L168 Benchmark]: Toolchain (without parser) took 2928.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 941.8 MB in the beginning and 919.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 170.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,007 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:22,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,008 INFO L168 Benchmark]: Boogie Preprocessor took 29.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,008 INFO L168 Benchmark]: RCFGBuilder took 722.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,009 INFO L168 Benchmark]: TraceAbstraction took 1540.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.7 MB in the end (delta: 138.9 MB). Peak memory consumption was 138.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,009 INFO L168 Benchmark]: Witness Printer took 108.69 ms. Allocated memory is still 1.2 GB. Free memory was 925.7 MB in the beginning and 919.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:22,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 469.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 722.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1540.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.7 MB in the end (delta: 138.9 MB). Peak memory consumption was 138.9 MB. Max. memory is 11.5 GB. * Witness Printer took 108.69 ms. Allocated memory is still 1.2 GB. Free memory was 925.7 MB in the beginning and 919.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == systemActive) && pumpRunning == 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == systemActive) && pumpRunning == 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == systemActive) && pumpRunning == 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 283 SDtfs, 352 SDslu, 369 SDs, 0 SdLazy, 87 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 66 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1682 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 132 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...